<template>
  <div>
    <div id="slider" class="mui-slider">
      <div
        id="sliderSegmentedControl"
        class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted"
        style="touch-action: pan-x;"
      >
        <div class="mui-scroll">
          <a
            :class='["mui-control-item", item.id == 0 ? "mui-active":""]'
            href="#item1mobile"
            data-wid="tab-top-subpage-1.html"
            v-for="item in cates"
            :key="item.id"
            @click="getPhotoListByCateId(item.id)"
          >{{ item.title }}</a>
        </div>
      </div>
    </div>

    <ul class="photo-list">
      <router-link v-for="item in catelist" :key="item.id" :to='"/home/photoinfo/"+item.id' tag="li">
        <img v-lazy="item.img_url">
      <div class="info">
        <h4 class="info-title">{{ item.title }}</h4>
        <div class="info-body">{{ item.zhaiyao }}</div>
      </div>
      </router-link>
    </ul>
  </div>
</template>

<script>
import mui from "../../lib/mui/js/mui.js";

export default {
  data() {
    return {
      cates: [],
      catelist: []
    };
  },
  created() {
    this.getAllCategory();
    this.getPhotoListByCateId(0);

  },
  methods: {
    getAllCategory() {
      // 获取所有的图片分类
      this.$http.get("api/getimgcategory").then(res => {
        // console.log(res)
        if (res.body.status === 0) {
          res.body.message.unshift({ title: "全部", id: 0 });
          this.cates = res.body.message;
        }
      });
    },
    getPhotoListByCateId(id) {
      console.log(id);
      // 根据分类id ，获取图片列表
      this.$http.get("api/getimages/" + id).then(res => {
        console.log(res);
        if (res.body.status === 0) {
          this.catelist = res.body.message;
        }
      });
    }
  },
  mounted() {
    // 但组件中的Dom结构被渲染好并放到页面中后，会执行这个钩子函数
    // 如果要操作元素了，最好在 mounted 里面，因为这里的DOM元素都是最新的
    // 初始化滑动插件
    mui(".mui-scroll-wrapper").scroll({
      deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
    });
  }
};
</script>


<style lang="scss" scoped>
.photo-list{
  width:100%;
  margin:0;
  padding:10px;
  li {
    text-align: center;
    background-color: #ccc;
    list-style: none;
    margin-bottom: 10px;
      box-shadow: 0 0 6px rgba(0,0,0,.5);
      position: relative;
    img{
      width:100%;
      vertical-align: middle;
    }
    img[lazy="loading"] {
      width: 40px;
      height: 300px;
      margin: auto;
    }
    .info{
      position: absolute;
      bottom: 0;
      max-height:88px;
      background: rgba(0,0,0,.3);
      text-align: left;
      color:#fff;
      .info-title{
        font-size:14px;
      }
      .info-body{
        font-size: 12px;
      }
    }
  }
}
</style>
